package main

import "fmt"

func main() {
	testPrintln()
	fmt.Println()
	testPrintf()
	fmt.Println()
	testPrint()
}

func testPrintln() {
	fmt.Println("---testPrintln---")
	a := 10
	b, c := 23, 30
	fmt.Println("a = ", a, "b = ", b, "c = ", c)
}

func testPrintf() {
	fmt.Printf("---testPrintf--- \n")
	var a int = 10
	b, c := 23, 30
	fmt.Printf("a = %d  b = %d  c = %d  \n", a, b, c)
}
func testPrint() {
	fmt.Print("---testPrint---\n")
	a := 10

	fmt.Print("a = ", a)

	b, c := 23, 30
	fmt.Print("b = ", b, "c=", c)
}
